<template>
	<view>
		<u-popup v-model="showSelf" mode="bottom" border-radius="14" :closeable="true" :safe-area-inset-bottom="true"
			@close="onClose">
			<view class="bg-white spec-contain">
				<view class="spec-header row">
					<!-- 				<custom-image 
		              class="goods-img mr20" 
		              radius="10rpx" 
		              :src="goodsInfo.image" 
		              @tap="previewImage(goodsInfo.image)" 
		            /> -->
					<!-- #ifndef MP-ALIPAY -->
					<custom-image class="goods-img mr20" radius="10rpx" @tap="previewImage(checkedGoods.image)"
						:src="checkedGoods.image" />
					<!-- #endif -->

					<!-- #ifdef MP-ALIPAY -->
					<image :src="checkedGoods.image" mode="widthFix" style="width: 200rpx; height: 200rpx;"
						@tap="previewImage(checkedGoods.image)" />
					<!-- #endif -->


					<view class="goods-info flex1">
						<view class="ornament row">
							<price-format :first-size="46" :second-size="32" :subscript-size="32" :price="price"
								:weight="500" />
							<text class="lg" v-if="period.day != 0">/天</text>
						</view>

						<!-- 押金 -->
						<view class="row" v-if="period.day != 0">
							<deposit-tag :price="deposit"></deposit-tag>
							<view class="" style="    width: fit-content;margin-left: 10rpx;">
							
							</view>
							<deposit1-tag :price="deposit_price"></deposit1-tag>
						</view>

						<view>
							<view class="sm" v-show="showStock">
								库存：{{ checkedGoods.stock || '0' }}件
								
							</view>
							<view class="sm muted">
								<!-- <text>已选择：{{ specInfo.spec_value_str }} {{ form.goodsNum }}件</text> -->
								<text>{{specValueText}}</text>
							</view>
						</view>
					</view>
				</view>


				<view class="spec-main">
					<scroll-view style="max-height: 600rpx;" scroll-y="true">
						<view class="spec-list">
							<!-- 规格 -->
							<view v-for="(item, index) in specList" :key="index" class="spec">
								<view class="name mb20">{{ item.name }}</view>
								<text
									class="primary xs mb10">{{checkedGoods.spec_value_ids_arr[index] == '' ? '请选择'+item.name:''}}</text>
								<view class="row wrap">
									<view v-for="(specitem, index2) in item.spec_value" :key="index2" :class="'spec-item sm ' +
									    ( checkedGoods.spec_value_ids_arr[index] == specitem.id  ? 'checked' : '' ) " @click="choseSpecItem(index, index2)">
										{{ specitem.value }}
									</view>
								</view>
							</view>

							<!-- 租期 -->
							<view class="spec">
								<view class="name mb20">租期</view>

								<view class="row wrap" v-if="agent.leixin==3">
									<view v-for="(item, index) in periods" v-if="item.day>=7 || item.day==0" :key="item.periods_id"
										:class="'spec-item sm ' + ( item.periods_id == period.periods_id ? 'checked' : '' )"
										@tap="chosePeriodsItem(item)">
										{{ item.name }}
									</view>
								</view>
								<view class="row wrap" v-else>

									<view v-for="(item, index) in periods" :key="item.periods_id"
										:class="'spec-item sm ' + ( item.periods_id == period.periods_id ? 'checked' : '' )"
										@tap="chosePeriodsItem(item)">
										{{ item.name }}
									</view>
								</view>
							</view>

							<!-- 保险 -->
							<!-- 目前是舍弃 -->
							<template v-if="goodsInfo.insurance !== null && false">
								<view class="spec">
									<view class="name mb20">
										<text>保险套餐</text>
										<text class="muted ml20 xs">可选</text>
									</view>
									<view class="row wrap">
										<view class="spec-item sm" :class="{ checked: isInsurance }"
											@tap="isInsurance = !isInsurance;">
											<text>一次性结清</text>
											<text>￥{{ goodsInfo.insurance || '0.00' }}</text>
										</view>
									</view>
								</view>
							</template>

							<!-- 序列号 -->
							<!-- <view class="spec">
								<view class="name mb20">序列号</view>
								<button class="bg-primary br60 white btn"
									@tap="openNumbersModal">选择序列号：{{number?number.hao:'预约商品'}}</button>
							</view> -->
						</view>
					</scroll-view>
				</view>
				<view class="btns row-between bg-white">

			
					
					<!-- #ifndef MP-ALIPAY -->
					<button class="bg-primary br60 white btn" size="lg" @tap="onConfirm(true)">{{ buttonTxt == '立即租赁' ? (checkedGoods.stock==0 ? '立即预约' : '立即租赁') : buttonTxt }}</button>
					<!-- #endif -->

					<!-- #ifdef MP-ALIPAY -->
					<view class="bg-primary br60 white btn alipay-btn" size="lg" @tap="onConfirm(true)">{{ buttonTxt == '立即租赁' ? (checkedGoods.stock==0 ? '立即预约' : '立即租赁') : buttonTxt }}
					</view>
					<!-- <view v-if="showConfirm" class="bg-primary br60 white btn alipay-btn" size="lg" @tap="onClick('confirm')">确定</view> -->
					<!-- #endif -->
				</view>
			</view>
		</u-popup>
		<!-- 序列号弹窗 -->
		<u-modal v-model="showNumberPoup" :mask-close-able="number" :title="number?'请选择产品序列号':'预约提示'"
			:show-cancel-button="!number" cancel-text="选择其他规格/商品" :confirm-text="number?'确定':'确定预约'"
			@confirm="onConfirm">
			<view class="spec-contain">
				<view class="spec-main">
					<view class="spec-list">
						<scroll-view v-if="number" scroll-y="true" style="max-height: 700rpx;">
							<view class="row wrap" style="column-gap: 50rpx;"
								:style="{'padding':period.day==0?'20rpx 20rpx 0 0':''}">
								<view v-for="(item, index) in numbers" :key="item.id"
									:class="'spec-item sm ' + ( item.id == number.id ? 'checked' : '' )"
									style="margin-right: 0;" @tap="chooseNumbersItem(item)">
									{{ item.hao }}
									<view class="tip" v-if="period.day==0 && item.sate<100">
										{{item.sate == 0 ? '免费':item.sate+'%'}}
									</view>
								</view>
							</view>
						</scroll-view>
						<view v-else-if="bankOrderRank!=null">
							当前库存已售完，可下单预约，当前排队第{{bankOrderRank+1}}名，请问要继续预约吗？
						</view>
					</view>
				</view>
			</view>
		</u-modal>
	</view>
</template>

<script>
	import {
		postBookOrder
	} from '../../api/lease';
	export default {
		props: {
			show: {
				type: Boolean
			},
			goods: {
				type: Object,
				required: true
			},
			buttonTxt: {
				type: String,
				default: "立即购买"
			},
			showStock: {
				type: Boolean,
				default: true
			},
			disabledNumberBox: {
				type: Boolean,
				default: false
			},
			agent: {
				type: Object,
			}
		},

		data() {
			return {
				showSelf: false, // 是否显示自身Popup

				goodsInfo: {}, // 商品信息
				specList: [], // 规格列表
				goodsItem: [], // 商品规格相应的信息
				periods: [], // 分期列表
				isInsurance: true, // 保险套餐

				// 表单数据
				form: {
					goodsNum: 1, // 商品数量
					period: {}, // 选中分期
					specs: [], // 已选中的规格
					insurance: 0, // 保险套餐
				},

				checkedGoods: {
					stock: 0
				}, //选中的
				outOfStock: [], // 缺货的
				disable: [], // 不可选择的
				goodsNum: 1,
				period: {}, // 选中分期
				number: {}, // 选中序列号

				showNumberPoup: false, //序列号弹窗

				bankOrderRank: null, //预约排名
			};
		},

		computed: {
			numbers() {
				let good = this.checkedGoods;
				if (good.number && good.number.length > 0) {
					this.number = good.number[0];
					return good.number;
				} else {
					this.number = 0;
					return null;
				}
			},
			// 价格
			price() {
				const goods = this.checkedGoods;
				//console.log('Goods:', goods);
				const period = this.period;
				//console.log('Period:', period);
				let price = goods.price * (period.rent / 100);
				//console.log('in',goods.price + '*('+ period.rent +'/100)*' + period.day + '*' + period.periods);
				if (period.day == 0) {
					price = this.deposit;
				}
				return Number(price.toString().match(/^\d+(?:\.\d{0,2})?/));
				// return price.toFixed(2);
			},

			deposit() {
				const goods = this.checkedGoods;
				return goods.deposit;
			},
			
			deposit_price() {
				const goods = this.checkedGoods;
				console.log('deposit_price',goods);
				return goods.deposit_price;
			},

			// 根据规格获取对应的信息
			specInfo() {
				let IDList = '';
				const specs = this.form.specs;
				specs.forEach(item => IDList += item.id + ',');
				const IDS = IDList.substring(0, IDList.length - 1);
				return this.goodsItem.find(item => item.spec_value_ids === IDS) || {};
			},


			// 选择的规格参数等
			specValueText() {
				let arr = this.checkedGoods.spec_value_ids?.split(',');
				let spec_str = ''
				if (arr)
					arr.forEach((item, index) => {
						if (item == '') spec_str += this.specList[index].name + ','
					})
					
				return `已选择 ${this.checkedGoods.spec_value_str} ${this.goodsNum} 件`
			}
		},

		watch: {
			//         // 数据初始化
			//     	goods(value) {
			//             this.goodsInfo = value;
			//             this.periods = value.goods_periods.periods || [];
			//             this.specList = value.goods_spec || [];
			//             this.goodsItem = value.goods_item || [];
			//             this.$set(this.form, 'period', this.periods[0]);
			//             this.$set(this.form, 'insurance', value.insurance);
			//             this.specList.forEach((item, index) => {
			//                 this.$set(this.form.specs, index, item.spec_value[0]);
			//             });
			//     	},
			goods(value) {
				this.goodsInfo = value;
				this.periods = value.goods_periods.periods || [];
				this.period = this.periods[0]

				this.specList = value.goods_spec || [];
				let goodsItem = value.goods_item || [];
				this.outOfStock = goodsItem.filter(item => item.stock == 0)
				// 找出库存不为0的
				const resultArr = goodsItem.filter(item => item.stock != 0)
				if (resultArr.length != 0) {
					resultArr[0].spec_value_ids_arr = resultArr[0].spec_value_ids.split(',');
					this.checkedGoods = resultArr[0]
				} else {
					// 无法选择
					goodsItem[0].spec_value_ids_arr = []
					this.disable = goodsItem.map(item => item.spec_value_ids.split(','));
					this.checkedGoods = goodsItem[0]
				}
			},

			specList(value) {
				if (this.checkedGoods.stock == 0) return

				const res = this.goods.goods_item.filter(item => {
					return this.checkedGoods.spec_value_ids === item.spec_value_ids
				})

				// 库存为0的规格
				const idsArr = this.checkedGoods.spec_value_ids_arr;
				const outOfStock = this.outOfStock;
				// 找出规格相同和规格不相同的余数
				const getArrGather = this.getArrResult(idsArr, outOfStock);
				// 计算出缺货的规格项
				this.disable = this.getOutOfStockArr(getArrGather, idsArr)

				if (res.length != 0) {
					let result = JSON.parse(JSON.stringify(res[0]))
					result.spec_value_ids_arr = result.spec_value_ids.split(',')
					this.checkedGoods = result;
					// 同步到父组件
					this.$emit('change', {
						detail: this.checkedGoods
					});
				}
			},

			show(val) {
				this.showSelf = val
			}
		},

		methods: {
			openNumbersModal() {
				if (!this.number) {
					postBookOrder({
						agent_id: this.agent.id,
						lease_goods_id: this.goods.id,
						item_id: this.checkedGoods.id
					}).then(res => {
						if (res.code != 1) return this.$toast({
							title: res.msg
						});
						this.bankOrderRank = res.data;
					})
				}
				this.showNumberPoup = true;
			},
			chooseNumbersItem(item) {
				this.number = item;
				// this.showNumberPoup = false;
			},

			// 选择期数
			chosePeriodsItem(item) {
				this.period = item
			},

			isDisable(e) {
				const res = this.disable.filter(item => item == e)
				if (res.length != 0) return true
				else return false
			},

			onClose() {
				this.$emit('close')
			},

			onConfirm(isShowModal) {

				if (isShowModal && this.number) return this.openNumbersModal();
				let {
					checkedGoods,
					goodsNum
				} = this;
				if (this.specValueText.indexOf('请选择') != -1) return this.$toast({
					title: this.specValueText
				})
				
				checkedGoods.goodsNum = goodsNum;
				// this.$emit(type, {
				// 	detail: checkedGoods,
				// 	insurance: this.isInsurance ? this.goods.safe_package : null
				// });

				this.$emit('confirm', {
					goods: [{
						lease_goods_id: this.goodsInfo.id, // 租赁商品ID
						item_id: this.checkedGoods.id, // 租赁型号ID
						goods_num: this.goodsNum, // 租赁数量
						periods_id: this.period.periods_id, // 租赁商品租期ID		
						Identifier: this.number == 0 ? 0 : this.number.hao, //租赁型号
					}],
					insurance: this.isInsurance ? this.goodsInfo.insurance : null, // 保险套餐
				});
			},

			// 选择规格
			choseSpecItem(index, index2) {
				const id = this.specList[index].spec_value[index2].id;

				// 无法选择
				const disable = this.disable.filter(item => item == id)

				let idsArr = this.checkedGoods.spec_value_ids_arr;
				if (id == idsArr[index]) idsArr[index] = ''
				else idsArr[index] = id;
				//保存已选规格
				this.checkedGoods.spec_value_ids_arr = idsArr;
				this.checkedGoods.spec_value_ids = idsArr.join(',');
				// 重新渲染页面
				this.specList = [...this.specList]
			},

			// 过滤出需要进行禁用的规格
			getOutOfStockArr(arr, arr1, result = []) {
				arr.forEach(el => {
					if (el.num >= (arr1.length - 1)) {
						result.push(...el.different)
					}
				})
				return result
			},

			// 匹配出缺货库存和已选中对比结果
			getArrIdentical(arr1, arr2, arr = [], num = 0) {
				arr1.forEach(el => {
					arr2.forEach(el2 => {
						if (el == el2) {
							num += 1;
							arr.push(el)
						}
					})
				});
				return {
					num, //n个相同的
					different: this.getArrDifference([...new Set(arr)].map(Number), arr2.map(Number)),
					identical: [...new Set(arr)]
				}
			},

			// 匹配出已选择和缺库存的
			getArrResult(arr, outOfStock, result = []) {
				outOfStock.forEach(item => {
					const res = this.getArrIdentical(arr, item.spec_value_ids.split(','))
					if (res != undefined && res.length != 0) {
						result.push(res)
					}
				})
				return result
			},

			// 找出两个数组中参数不同的
			getArrDifference(arr1, arr2) {
				return arr1.concat(arr2).filter(function(v, i, arr) {
					return arr.indexOf(v) == arr.lastIndexOf(v);
				});
			},

			// 查看商品图片
			previewImage(current) {
				uni.previewImage({
					current,
					urls: [current] // 需要预览的图片http链接列表
				});
			}
		},
	};
</script>
<style lang="scss" scoped>
	.spec-contain {
		border-radius: 10rpx 10rpx 0 0;
		overflow: hidden;
		position: relative;

		.close {
			position: absolute;
			right: 10rpx;
			top: 10rpx;
		}

		.spec-header {
			padding: 30rpx;
			padding-right: 70rpx;
			align-items: flex-start;
			border: $-solid-border;

			.vip-price {
				margin: 0 24rpx;
				background-color: #FFE9BA;
				line-height: 36rpx;
				border-radius: 6rpx;
				overflow: hidden;

				.price-name {
					background-color: #101010;
					padding: 3rpx 12rpx;
					color: #FFD4B7;
					position: relative;
					overflow: hidden;

					&::after {
						content: '';
						display: block;
						width: 20rpx;
						height: 20rpx;
						position: absolute;
						right: -15rpx;
						background-color: #FFE9BA;
						border-radius: 50%;
						top: 50%;
						transform: translateY(-50%);
						box-sizing: border-box;
					}
				}
			}

			.goods-img {
				width: 180rpx;
				height: 180rpx;
				flex: none;
			}
		}

		.spec-main {
			.spec-list {
				padding: 30rpx 20rpx;

				.spec-item {
					position: relative;
					line-height: 52rpx;
					padding: 0 20rpx;
					background-color: #F4F4F4;
					border-radius: 60rpx;
					margin: 0 20rpx 20rpx 0;
					border: 1px solid #F4F4F4;

					.tip {
						position: absolute;
						right: 0;
						top: 0;
						transform: translate(50%, -50%);
						font-size: 20rpx;
						color: white;
						background-color: #FF2C3C;
						padding: 2rpx 6rpx;
						line-height: 30rpx;
						border-radius: 30rpx;
					}

					&.checked {
						background-color: #E8F6FF;
						color: $-color-primary;
						border-color: $-color-primary;
					}

					&.disabled {
						opacity: .5;
						text-decoration: line-through;
					}
				}
			}
		}

		// 底部按钮无法选择
		.disabled {
			opacity: 0.4;
		}

		.btns {
			height: 120rpx;
			padding: 0 30rpx;
			// margin-top: 80rpx;

			.add-cart {
				background-color: rgba(36, 163, 255, 0.1);
			}

			.btn {
				margin: 0 10rpx;
				flex: 1;
			}

			.alipay-btn {
				height: 80rpx;
				line-height: 80rpx;
				padding: 0 30rpx;
				text-align: center;
				font-size: 32rpx;
			}
		}
	}
</style>